/*
 * Copyright (C) 2001-2008 Jacek Sieka, arnetheduck on gmail point com
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

#include "stdinc.h"
#include "DCPlusPlus.h"

#include "FavoriteManager.h"

#include "ClientManager.h"
#include "CryptoManager.h"

#include "HttpConnection.h"
#include "StringTokenizer.h"
#include "SimpleXML.h"
#include "UserCommand.h"

namespace dcpp {

FavoriteManager::FavoriteManager() : lastId(0), useHttp(false), running(false), c(NULL), lastServer(0), listType(TYPE_NORMAL), dontSave(false) {
    SettingsManager::getInstance()->addListener(this);
    ClientManager::getInstance()->addListener(this);

    File::ensureDirectory(Util::getHubListsPath());
}

FavoriteManager::~FavoriteManager() throw() {
    ClientManager::getInstance()->removeListener(this);
    SettingsManager::getInstance()->removeListener(this);
    if(c) {
        c->removeListener(this);
        delete c;
        c = NULL;
    }

    for_each(favoriteHubs.begin(), favoriteHubs.end(), DeleteFunction());
}

UserCommand FavoriteManager::addUserCommand(int type, int ctx, int flags, const string& name, const string& command, const string& hub) {
    // No dupes, add it...
    Lock l(cs);
    userCommands.push_back(UserCommand(lastId++, type, ctx, flags, name, command, hub));
    UserCommand& uc = userCommands.back();
    if(!uc.isSet(UserCommand::FLAG_NOSAVE))
        save();
    return userCommands.back();
}

bool FavoriteManager::getUserCommand(int cid, UserCommand& uc) {
    Lock l(cs);
    for(UserCommand::List::iterator i = userCommands.begin(); i != userCommands.end(); ++i) {
        if(i->getId() == cid) {
            uc = *i;
            return true;
        }
    }
    return false;
}

bool FavoriteManager::moveUserCommand(int cid, int pos) {
    dcassert(pos == -1 || pos == 1);
    Lock l(cs);
    for(UserCommand::List::iterator i = userCommands.begin(); i != userCommands.end(); ++i) {
        if(i->getId() == cid) {
            swap(*i, *(i + pos));
            return true;
        }
    }
    return false;
}

void FavoriteManager::updateUserCommand(const UserCommand& uc) {
    bool nosave = true;
    Lock l(cs);
    for(UserCommand::List::iterator i = userCommands.begin(); i != userCommands.end(); ++i) {
        if(i->getId() == uc.getId()) {
            *i = uc;
            nosave = uc.isSet(UserCommand::FLAG_NOSAVE);
            break;
        }
    }
    if(!nosave)
        save();
}

int FavoriteManager::findUserCommand(const string& aName, const string& aUrl) {
    Lock l(cs);
    for(UserCommand::List::iterator i = userCommands.begin(); i != userCommands.end(); ++i) {
        if(i->getName() == aName && i->getHub() == aUrl) {
            return i->getId();
        }
    }
    return -1;
}

void FavoriteManager::removeUserCommand(int cid) {
    bool nosave = true;
    Lock l(cs);
    for(UserCommand::List::iterator i = userCommands.begin(); i != userCommands.end(); ++i) {
        if(i->getId() == cid) {
            nosave = i->isSet(UserCommand::FLAG_NOSAVE);
            userCommands.erase(i);
            break;
        }
    }
    if(!nosave)
        save();
}
void FavoriteManager::removeUserCommand(const string& srv) {
    Lock l(cs);
    for(UserCommand::List::iterator i = userCommands.begin(); i != userCommands.end(); ) {
        if((i->getHub() == srv) && i->isSet(UserCommand::FLAG_NOSAVE)) {
            i = userCommands.erase(i);
        } else {
            ++i;
        }
    }
}

void FavoriteManager::removeHubUserCommands(int ctx, const string& hub) {
    Lock l(cs);
    for(UserCommand::List::iterator i = userCommands.begin(); i != userCommands.end(); ) {
        if(i->getHub() == hub && i->isSet(UserCommand::FLAG_NOSAVE) && i->getCtx() & ctx) {
            i = userCommands.erase(i);
        } else {
            ++i;
        }
    }
}

void FavoriteManager::addFavoriteUser(const UserPtr& aUser) {
    Lock l(cs);
    if(users.find(aUser->getCID()) == users.end()) {
        StringList urls = ClientManager::getInstance()->getHubs(aUser->getCID());
        StringList nicks = ClientManager::getInstance()->getNicks(aUser->getCID());

        /// @todo make this an error probably...
        if(urls.empty())
            urls.push_back(Util::emptyString);
        if(nicks.empty())
            nicks.push_back(Util::emptyString);

        FavoriteMap::iterator i = users.insert(make_pair(aUser->getCID(), FavoriteUser(aUser, nicks[0], urls[0]))).first;
        fire(FavoriteManagerListener::UserAdded(), i->second);
        save();
    }
}

void FavoriteManager::removeFavoriteUser(const UserPtr& aUser) {
    Lock l(cs);
    FavoriteMap::iterator i = users.find(aUser->getCID());
    if(i != users.end()) {
        fire(FavoriteManagerListener::UserRemoved(), i->second);
        users.erase(i);
        save();
    }
}

std::string FavoriteManager::getUserURL(const UserPtr& aUser) const {
    Lock l(cs);
    FavoriteMap::const_iterator i = users.find(aUser->getCID());
    if(i != users.end()) {
        const FavoriteUser& fu = i->second;
        return fu.getUrl();
    }
    return Util::emptyString;
}

void FavoriteManager::addFavorite(const FavoriteHubEntry& aEntry) {
    FavoriteHubEntry* f;

    FavoriteHubEntryList::iterator i = getFavoriteHub(aEntry.getServer());
    if(i != favoriteHubs.end()) {
        return;
    }
    f = new FavoriteHubEntry(aEntry);
    favoriteHubs.push_back(f);
    fire(FavoriteManagerListener::FavoriteAdded(), f);
    save();
}

void FavoriteManager::removeFavorite(FavoriteHubEntry* entry) {
    FavoriteHubEntryList::iterator i = find(favoriteHubs.begin(), favoriteHubs.end(), entry);
    if(i == favoriteHubs.end()) {
        return;
    }

    fire(FavoriteManagerListener::FavoriteRemoved(), entry);
    favoriteHubs.erase(i);
    delete entry;
    save();
}

bool FavoriteManager::isFavoriteHub(const std::string& url) {
    FavoriteHubEntryList::iterator i = getFavoriteHub(url);
    if(i != favoriteHubs.end()) {
        return true;
    }
    return false;
}

bool FavoriteManager::addFavoriteDir(const string& aDirectory, const string & aName){
    string path = aDirectory;

    if( path[ path.length() -1 ] != PATH_SEPARATOR )
        path += PATH_SEPARATOR;

    for(StringPairIter i = favoriteDirs.begin(); i != favoriteDirs.end(); ++i) {
        if((Util::strnicmp(path, i->first, i->first.length()) == 0) && (Util::strnicmp(path, i->first, path.length()) == 0)) {
            return false;
        }
        if(Util::stricmp(aName, i->second) == 0) {
            return false;
        }
    }
    favoriteDirs.push_back(make_pair(aDirectory, aName));
    save();
    return true;
}

bool FavoriteManager::removeFavoriteDir(const string& aName) {
    string d(aName);

    if(d[d.length() - 1] != PATH_SEPARATOR)
        d += PATH_SEPARATOR;

    for(StringPairIter j = favoriteDirs.begin(); j != favoriteDirs.end(); ++j) {
        if(Util::stricmp(j->first.c_str(), d.c_str()) == 0) {
            favoriteDirs.erase(j);
            save();
            return true;
        }
    }
    return false;
}

bool FavoriteManager::renameFavoriteDir(const string& aName, const string& anotherName) {

    for(StringPairIter j = favoriteDirs.begin(); j != favoriteDirs.end(); ++j) {
        if(Util::stricmp(j->second.c_str(), aName.c_str()) == 0) {
            j->second = anotherName;
            save();
            return true;
        }
    }
    return false;
}

void FavoriteManager::onHttpFinished(bool fromHttp) throw() {
    string::size_type i, j;
    string* x;
    string bzlist;

    if((listType == TYPE_BZIP2) && (!downloadBuf.empty())) {
        try {
            CryptoManager::getInstance()->decodeBZ2((uint8_t*)downloadBuf.data(), downloadBuf.size(), bzlist);
        } catch(const CryptoException&) {
            bzlist.clear();
        }
        x = &bzlist;
    } else {
        x = &downloadBuf;
    }

    {
        Lock l(cs);
        HubEntryList& list = publicListMatrix[publicListServer];
        list.clear();

        if(x->compare(0, 5, "<?xml") == 0 || x->compare(0, 8, "\xEF\xBB\xBF<?xml") == 0) {
            loadXmlList(*x);
        } else {
            i = 0;

            string utfText = Text::toUtf8(*x);

            while( (i < utfText.size()) && ((j=utfText.find("\r\n", i)) != string::npos)) {
                StringTokenizer<string> tok(utfText.substr(i, j-i), '|');
                i = j + 2;
                if(tok.getTokens().size() < 4)
                    continue;

                StringList::const_iterator k = tok.getTokens().begin();
                const string& name = *k++;
                const string& server = *k++;
                const string& desc = *k++;
                const string& usersOnline = *k++;
                list.push_back(HubEntry(name, server, desc, usersOnline));
            }
        }
    }

    if(fromHttp) {
        try {
            File f(Util::getHubListsPath() + Util::validateFileName(publicListServer), File::WRITE, File::CREATE | File::TRUNCATE);
            f.write(downloadBuf);
            f.close();
        } catch(const FileException&) { }
    }

    downloadBuf = Util::emptyString;
}

class XmlListLoader : public SimpleXMLReader::CallBack {
public:
    XmlListLoader(HubEntryList& lst) : publicHubs(lst) { }
    virtual ~XmlListLoader() { }
    virtual void startTag(const string& name, StringPairList& attribs, bool) {
        if(name == "Hub") {
            const string& name = getAttrib(attribs, "Name", 0);
            const string& server = getAttrib(attribs, "Address", 1);
            const string& description = getAttrib(attribs, "Description", 2);
            const string& users = getAttrib(attribs, "Users", 3);
            const string& country = getAttrib(attribs, "Country", 4);
            const string& shared = getAttrib(attribs, "Shared", 5);
            const string& minShare = getAttrib(attribs, "Minshare", 5);
            const string& minSlots = getAttrib(attribs, "Minslots", 5);
            const string& maxHubs = getAttrib(attribs, "Maxhubs", 5);
            const string& maxUsers = getAttrib(attribs, "Maxusers", 5);
            const string& reliability = getAttrib(attribs, "Reliability", 5);
            const string& rating = getAttrib(attribs, "Rating", 5);
            publicHubs.push_back(HubEntry(name, server, description, users, country, shared, minShare, minSlots, maxHubs, maxUsers, reliability, rating));
        }
    }
    virtual void endTag(const string&, const string&) {

    }
private:
    HubEntryList& publicHubs;
};

void FavoriteManager::loadXmlList(const string& xml) {
    try {
        XmlListLoader loader(publicListMatrix[publicListServer]);
        SimpleXMLReader(&loader).fromXML(xml);
    } catch(const SimpleXMLException&) {

    }
}

void FavoriteManager::save() {
    if(dontSave)
        return;

    Lock l(cs);
    try {
        SimpleXML xml;

        xml.addTag("Favorites");
        xml.stepIn();

        xml.addTag("Hubs");
        xml.stepIn();

        for(FavoriteHubEntryList::const_iterator i = favoriteHubs.begin(); i != favoriteHubs.end(); ++i) {
            xml.addTag("Hub");
            xml.addChildAttrib("Name", (*i)->getName());
            xml.addChildAttrib("Connect", (*i)->getConnect());
            xml.addChildAttrib("Description", (*i)->getDescription());
            xml.addChildAttrib("Nick", (*i)->getNick(false));
            xml.addChildAttrib("Password", (*i)->getPassword());
            xml.addChildAttrib("Server", (*i)->getServer());
            xml.addChildAttrib("UserDescription", (*i)->getUserDescription());
            xml.addChildAttrib("Encoding", (*i)->getEncoding());
            xml.addChildAttrib("ClientId", (*i)->getClientId()); // not tested feature
            xml.addChildAttrib("ExternalIP", (*i)->getExternalIP()); // not tested feature
            //xml.addChildAttrib("StealthMode", (*i)->getStealth());// not tested feature
            xml.addChildAttrib("OverrideId", Util::toString((*i)->getOverrideId()));// not tested feature
            xml.addChildAttrib("UseInternetIp",(*i)->getUseInternetIP());
            xml.addChildAttrib("DisableChat", (*i)->getDisableChat());
        }
        xml.stepOut();
        xml.addTag("Users");
        xml.stepIn();
        for(FavoriteMap::iterator j = users.begin(); j != users.end(); ++j) {
            xml.addTag("User");
            xml.addChildAttrib("LastSeen", j->second.getLastSeen());
            xml.addChildAttrib("GrantSlot", j->second.isSet(FavoriteUser::FLAG_GRANTSLOT));
            xml.addChildAttrib("UserDescription", j->second.getDescription());
            xml.addChildAttrib("Nick", j->second.getNick());
            xml.addChildAttrib("URL", j->second.getUrl());
            xml.addChildAttrib("CID", j->first.toBase32());
        }
        xml.stepOut();
        xml.addTag("UserCommands");
        xml.stepIn();
        for(UserCommand::List::iterator k = userCommands.begin(); k != userCommands.end(); ++k) {
            if(!k->isSet(UserCommand::FLAG_NOSAVE)) {
                xml.addTag("UserCommand");
                xml.addChildAttrib("Type", k->getType());
                xml.addChildAttrib("Context", k->getCtx());
                xml.addChildAttrib("Name", k->getName());
                xml.addChildAttrib("Command", k->getCommand());
                xml.addChildAttrib("Hub", k->getHub());
            }
        }
        xml.stepOut();
        //Favorite download to dirs
        xml.addTag("FavoriteDirs");
        xml.stepIn();
        StringPairList spl = getFavoriteDirs();
        for(StringPairIter i = spl.begin(); i != spl.end(); ++i) {
            xml.addTag("Directory", i->first);
            xml.addChildAttrib("Name", i->second);
        }
        xml.stepOut();

        xml.stepOut();

        string fname = getConfigFile();

        File f(fname + ".tmp", File::WRITE, File::CREATE | File::TRUNCATE);
        f.write(SimpleXML::utf8Header);
        f.write(xml.toXML());
        f.close();
        File::deleteFile(fname);
        File::renameFile(fname + ".tmp", fname);

    } catch(const Exception& e) {
        dcdebug("FavoriteManager::save: %s\n", e.getError().c_str());
    }
}

void FavoriteManager::load() {

    // Add NMDC standard op commands
    static const char kickstr[] =
        "$To: %[userNI] From: %[myNI] $<%[myNI]> You are being kicked because: %[line:Reason]|<%[myNI]> %[myNI] is kicking %[userNI] because: %[line:Reason]|$Kick %[userNI]|";
    addUserCommand(UserCommand::TYPE_RAW_ONCE, UserCommand::CONTEXT_CHAT | UserCommand::CONTEXT_SEARCH, UserCommand::FLAG_NOSAVE,
        _("Kick user(s)"), kickstr, "op");
    static const char redirstr[] =
        "$OpForceMove $Who:%[userNI]$Where:%[line:Target Server]$Msg:%[line:Message]|";
    addUserCommand(UserCommand::TYPE_RAW_ONCE, UserCommand::CONTEXT_CHAT | UserCommand::CONTEXT_SEARCH, UserCommand::FLAG_NOSAVE,
        _("Redirect user(s)"), redirstr, "op");

    try {
        SimpleXML xml;
        Util::migrate(getConfigFile());
        xml.fromXML(File(getConfigFile(), File::READ, File::OPEN).read());

        if(xml.findChild("Favorites")) {
            xml.stepIn();
            load(xml);
            xml.stepOut();
        }
    } catch(const Exception& e) {
        dcdebug("FavoriteManager::load: %s\n", e.getError().c_str());
    }
}

void FavoriteManager::load(SimpleXML& aXml) {
    dontSave = true;

    aXml.resetCurrentChild();
    if(aXml.findChild("Hubs")) {
        aXml.stepIn();
        while(aXml.findChild("Hub")) {
            FavoriteHubEntry* e = new FavoriteHubEntry();
            e->setName(aXml.getChildAttrib("Name"));
            e->setConnect(aXml.getBoolChildAttrib("Connect"));
            e->setDescription(aXml.getChildAttrib("Description"));
            e->setNick(aXml.getChildAttrib("Nick"));
            e->setPassword(aXml.getChildAttrib("Password"));
            e->setServer(aXml.getChildAttrib("Server"));
            e->setUserDescription(aXml.getChildAttrib("UserDescription"));
            e->setEncoding(aXml.getChildAttrib("Encoding"));
            e->setExternalIP(aXml.getChildAttrib("ExternalIP"));
            e->setClientId(aXml.getChildAttrib("ClientId")); // not tested feature
            //e->setStealth(aXml.getBoolChildAttrib("StealthMode")); // not tested feature
            e->setOverrideId(Util::toInt(aXml.getChildAttrib("OverrideId")) != 0); // not tested feature
            e->setUseInternetIP(aXml.getBoolChildAttrib("UseInternetIp"));
            e->setDisableChat(aXml.getBoolChildAttrib("DisableChat"));
            favoriteHubs.push_back(e);
        }
        aXml.stepOut();
    }
    aXml.resetCurrentChild();
    if(aXml.findChild("Users")) {
        aXml.stepIn();
        while(aXml.findChild("User")) {
            UserPtr u;
            const string& cid = aXml.getChildAttrib("CID");
            const string& nick = aXml.getChildAttrib("Nick");
            const string& hubUrl = aXml.getChildAttrib("URL");

            if(cid.length() != 39) {
                if(nick.empty() || hubUrl.empty())
                    continue;
                u = ClientManager::getInstance()->getUser(nick, hubUrl);
            } else {
                u = ClientManager::getInstance()->getUser(CID(cid));
            }
            FavoriteMap::iterator i = users.insert(make_pair(u->getCID(), FavoriteUser(u, nick, hubUrl))).first;

            if(aXml.getBoolChildAttrib("GrantSlot"))
                i->second.setFlag(FavoriteUser::FLAG_GRANTSLOT);

            i->second.setLastSeen((uint32_t)aXml.getIntChildAttrib("LastSeen"));
            i->second.setDescription(aXml.getChildAttrib("UserDescription"));

        }
        aXml.stepOut();
    }
    aXml.resetCurrentChild();
    if(aXml.findChild("UserCommands")) {
        aXml.stepIn();
        while(aXml.findChild("UserCommand")) {
            addUserCommand(aXml.getIntChildAttrib("Type"), aXml.getIntChildAttrib("Context"),
                0, aXml.getChildAttrib("Name"), aXml.getChildAttrib("Command"), aXml.getChildAttrib("Hub"));
        }
        aXml.stepOut();
    }
    //Favorite download to dirs
    aXml.resetCurrentChild();
    if(aXml.findChild("FavoriteDirs")) {
        aXml.stepIn();
        while(aXml.findChild("Directory")) {
            string virt = aXml.getChildAttrib("Name");
            string d(aXml.getChildData());
            FavoriteManager::getInstance()->addFavoriteDir(d, virt);
        }
        aXml.stepOut();
    }

    dontSave = false;
}

void FavoriteManager::userUpdated(const OnlineUser& info) {
    Lock l(cs);
    FavoriteMap::iterator i = users.find(info.getUser()->getCID());
    if(i != users.end()) {
        FavoriteUser& fu = i->second;
        fu.update(info);
        save();
    }
}

FavoriteHubEntry* FavoriteManager::getFavoriteHubEntry(const string& aServer) {
    for(FavoriteHubEntryList::iterator i = favoriteHubs.begin(); i != favoriteHubs.end(); ++i) {
        FavoriteHubEntry* hub = *i;
        if(Util::stricmp(hub->getServer(), aServer) == 0) {
            return hub;
        }
    }
    return NULL;
}

bool FavoriteManager::hasSlot(const UserPtr& aUser) const {
    Lock l(cs);
    FavoriteMap::const_iterator i = users.find(aUser->getCID());
    if(i == users.end())
        return false;
    return i->second.isSet(FavoriteUser::FLAG_GRANTSLOT);
}

time_t FavoriteManager::getLastSeen(const UserPtr& aUser) const {
    Lock l(cs);
    FavoriteMap::const_iterator i = users.find(aUser->getCID());
    if(i == users.end())
        return 0;
    return i->second.getLastSeen();
}

void FavoriteManager::setAutoGrant(const UserPtr& aUser, bool grant) {
    Lock l(cs);
    FavoriteMap::iterator i = users.find(aUser->getCID());
    if(i == users.end())
        return;
    if(grant)
        i->second.setFlag(FavoriteUser::FLAG_GRANTSLOT);
    else
        i->second.unsetFlag(FavoriteUser::FLAG_GRANTSLOT);
    save();
}
void FavoriteManager::setUserDescription(const UserPtr& aUser, const string& description) {
    Lock l(cs);
    FavoriteMap::iterator i = users.find(aUser->getCID());
    if(i == users.end())
        return;
    i->second.setDescription(description);
    save();
}

StringList FavoriteManager::getHubLists() {
    StringTokenizer<string> lists(SETTING(HUBLIST_SERVERS), ';');
    return lists.getTokens();
}

FavoriteHubEntryList::iterator FavoriteManager::getFavoriteHub(const string& aServer) {
    for(FavoriteHubEntryList::iterator i = favoriteHubs.begin(); i != favoriteHubs.end(); ++i) {
        if(Util::stricmp((*i)->getServer(), aServer) == 0) {
            return i;
        }
    }
    return favoriteHubs.end();
}


void FavoriteManager::setHubList(int aHubList) {
    lastServer = aHubList;
    refresh();
}

void FavoriteManager::refresh(bool forceDownload /* = false */) {
    StringList sl = getHubLists();
    if(sl.empty())
        return;
    publicListServer = sl[(lastServer) % sl.size()];
    if(Util::strnicmp(publicListServer.c_str(), "http://", 7) != 0) {
        lastServer++;
        return;
    }

    if(!forceDownload) {
        string path = Util::getHubListsPath() + Util::validateFileName(publicListServer);
        if(File::getSize(path) > 0) {
            useHttp = false;
            {
                Lock l(cs);
                publicListMatrix[publicListServer].clear();
            }
            listType = (Util::stricmp(path.substr(path.size() - 4), ".bz2") == 0) ? TYPE_BZIP2 : TYPE_NORMAL;
            try {
                downloadBuf = File(path, File::READ, File::OPEN).read();
            } catch(const FileException&) {
                downloadBuf = Util::emptyString;
            }
            if(!downloadBuf.empty()) {
                onHttpFinished(false);
                fire(FavoriteManagerListener::LoadedFromCache(), publicListServer);
                return;
            }
        }
    }

    if(!running) {
        useHttp = true;
        {
            Lock l(cs);
            publicListMatrix[publicListServer].clear();
        }
        fire(FavoriteManagerListener::DownloadStarting(), publicListServer);
        if(c == NULL)
            c = new HttpConnection();
        c->addListener(this);
        c->downloadFile(publicListServer);
        running = true;
    }
}

UserCommand::List FavoriteManager::getUserCommands(int ctx, const StringList& hubs) {
    vector<bool> isOp(hubs.size());

    for(size_t i = 0; i < hubs.size(); ++i) {
        if(ClientManager::getInstance()->isOp(ClientManager::getInstance()->getMe(), hubs[i])) {
            isOp[i] = true;
        }
    }

    Lock l(cs);
    UserCommand::List lst;
    for(UserCommand::List::iterator i = userCommands.begin(); i != userCommands.end(); ++i) {
        UserCommand& uc = *i;
        if(!(uc.getCtx() & ctx)) {
            continue;
        }

        for(size_t j = 0; j < hubs.size(); ++j) {
            const string& hub = hubs[j];
            bool hubAdc = hub.compare(0, 6, "adc://") == 0;
            bool commandAdc = uc.getHub().compare(0, 6, "adc://") == 0;
            if(hubAdc && commandAdc) {
                if((uc.getHub().length() == 6) ||
                    (uc.getHub() == "adc://op" && isOp[j]) ||
                    (uc.getHub() == hub) )
                {
                    lst.push_back(*i);
                    break;
                }
            } else if(!hubAdc && !commandAdc) {
                if((uc.getHub().length() == 0) ||
                    (uc.getHub() == "op" && isOp[j]) ||
                    (uc.getHub() == hub) )
                {
                    lst.push_back(*i);
                    break;
                }
            }
        }
    }
    return lst;
}

// HttpConnectionListener
void FavoriteManager::on(Data, HttpConnection*, const uint8_t* buf, size_t len) throw() {
    if(useHttp)
        downloadBuf.append((const char*)buf, len);
}

void FavoriteManager::on(Failed, HttpConnection*, const string& aLine) throw() {
    c->removeListener(this);
    lastServer++;
    running = false;
    if(useHttp){
        downloadBuf = Util::emptyString;
        fire(FavoriteManagerListener::DownloadFailed(), aLine);
    }
}
void FavoriteManager::on(Complete, HttpConnection*, const string& aLine) throw() {
    c->removeListener(this);
    if(useHttp)
        onHttpFinished(true);
    running = false;
    if(useHttp)
        fire(FavoriteManagerListener::DownloadFinished(), aLine);
}
void FavoriteManager::on(Redirected, HttpConnection*, const string& aLine) throw() {
    if(useHttp)
        fire(FavoriteManagerListener::DownloadStarting(), aLine);
}
void FavoriteManager::on(TypeNormal, HttpConnection*) throw() {
    if(useHttp)
        listType = TYPE_NORMAL;
}
void FavoriteManager::on(TypeBZ2, HttpConnection*) throw() {
    if(useHttp)
        listType = TYPE_BZIP2;
}

void FavoriteManager::on(UserUpdated, const OnlineUser& user) throw() {
    userUpdated(user);
}
void FavoriteManager::on(UserDisconnected, const UserPtr& user) throw() {
    bool isFav = false;
    {
        Lock l(cs);
        FavoriteMap::iterator i = users.find(user->getCID());
        if(i != users.end()) {
            isFav = true;
            i->second.setLastSeen(GET_TIME());
            save();
        }
    }
    if(isFav)
        fire(FavoriteManagerListener::StatusChanged(), user);
}

void FavoriteManager::on(UserConnected, const UserPtr& user) throw() {
    bool isFav = false;
    {
        Lock l(cs);
        FavoriteMap::iterator i = users.find(user->getCID());
        if(i != users.end()) {
            isFav = true;
        }
    }
    if(isFav)
        fire(FavoriteManagerListener::StatusChanged(), user);
}

} // namespace dcpp
